The performance of Bluetooth stereo headphones has improved noticeably over the last couple of years and can now give ordinary wired headphones a good run for their money. However, Bluetooth hasn’t achieved the same rate of progress when used in standalone speaker systems.
Creative Labs ZiiSound D5 Wireless world: Creative's …

No good for Nintendo consoles

WTF

A wireless speaker system that is (according to your specs table) "MAINS ONLY". Has the world gone stark raving mad? Since when did it count as wireless if you've got to plug the damn thing in? That's a WIRE sticking out the back of that there wireless speaker system then, yeah?